Claude Code fixes a bug that could send the same tool action twice

T2Covered by 1 source · first reported by UploadVR / Road to VR / MIXED at 23 Oct, 04:28 UTC

Anthropic has fixed a Claude Code bug that could send an HTTP-based MCP tool call twice when the connection closed partway through it. The change restricts automatic retries to tools marked as read-only or safe to repeat. The correction appears in Claude Code 2.1.307, alongside fixes for…